There are 5 buttons on a page. If you click 1, 3 or 4 there must be one action, for 2 and 4 another one. You don’t have to write the same action for each control, like this:

The task is to build a tree in a table with parentID from bottom to top. It's useful for generating hierarchy strings, lists or any other types. You can also create a storage procedure of this and it will make it easy to use in queries.

After installation of MS SQL Server 2012 on Windows Server 2012, I had gotten these errors in Event Viewer on execution server:
The server was unable to initialize encryption because of a problem with a security library. The security library may be missing. Verify that security.dll exists on the system.
TDSSNIClient initialization failed with error 0x139f, status code 0x80. Reason: Unable to initialize SSL support. The group or resource is not in the correct state to perform the requested operation.
TDSSNIClient initialization failed with error 0x139f, status code 0x1. Reason: Initialization failed with an infrastructure error. Check for previous errors. The group or resource is not in the correct state to perform the requested operation.
Could not start the network library because of an internal error in the network library. To determine the cause, review the errors immediately preceding this one in the error log.
SQL Server could not spawn FRunCommunicationsManager thread. Check the SQL Server error log and the Windows event logs for information about possible related problems.

I must notice that I had an old distributive of MS SQL Server 2012.

Recently I started to learn ReactJS. I could manually install the environment in NodeJS for ReactJS – WebPack, ReactJS, Babel and others. But to make solutions easier, I decided to use Create-react-app. Unfortunately, I got the error "create react app npm ERR! Maximum call stack size exceeded".

The method to expand all the events in Calendar View on load using Content Editor WebPart. You should add this code. You should copy and paste it to html file, save this file to document library and set its path into the settings of CEWP.

If you use SharePoint and get data from lists with JavaScript, once you will receive SharePoint lookup value which looks like '34;#Item title'. There is a way to parse this data with Regular expression and to convert it to an object.

I have created a small method to make it easier. In my case I have got values from parent list of employees. My method returns an object with properties 'id' and 'fullname':

When I tried to execute http-server from nodejs (with command 'http-server –o'), I had got the error. The solution requires to update execution policy.

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The task is to make clickable div tags. There are several div blocks in a page, each div contains a hyperlink with URL. You need to make so, that if you click on div element, you open a hyperlink.

To retrieve a SharePoint version there's no need to go to Central Administration. You can easily see it if you enter the URL

http://mig1/_vti_pvt/service.cnf

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I prefer not to store operation system Windows 10 and my files on the same drive. When I have to reinstall Windows and loose data on system drive, I will not remove my files if they are on another drive. That is why I recommend to store your files on the second drive.